7. aspirin has a pka of 3.4. what is the ratio of a to ha in: (a) the blood (ph 7.4) (b) the stomach (ph 1.4) =

Answer : a)

b)

Explanation : Given,

a) pH = 7.4

for aspirin = 3.4

Using Henderson Hesselbach equation :

Concentration of salt = ?

Concentration of acid = ?

Now put all the given values in this expression, we get:

b) pH = 1.4

Using Henderson Hesselbach equation :

Now put all the given values in this expression, we get:

in theory, limestone is composed principally of the compound calcium carbonate - caco3, but in reality this compound is deposited in conditions involving a number of other compounds as impurities so it ends up being a mixture of many compounds.

hope this : -)

tony (lordcaos066)